[Event "URS-ch25"]
[Site "Riga"]
[Date "1958.??.??"]
[White "Krogius, Nikolai V"]
[Black "Kortschnoj, Viktor"]
[Result "0-1"]
[ECO "B43"]
[Opening "Sicilian Defense: Kan Variation, Wing Attack"]
[PlyCount "82"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qc7 7.O-O Bb7 8.Qe2 Nc6 9.Nxc6 dxc6 10.a4 b4 11.Nd1 c5 12.Ne3 Ne7 13.b3 Nc6 14.Bb2 Bd6 15.h3 Be5 16.Bxe5 Nxe5 17.f4 Nc6 18.e5 Nd4 19.Qh5 O-O-O 20.Nc4 Nxb3 21.Nd6+ Rxd6 22.exd6 Qc6 23.d7+ Kc7 24.Qe5+ Kxd7 25.Qxg7 Nxa1 26.f5 Qxg2+ 27.Qxg2 Bxg2 28.fxe6+ fxe6 29.Kxg2 c4 30.Be4 Nxc2 31.Bxc2 b3 32.Be4 Kd6 33.Rc1 Kc5 34.Kf3 Kb4 35.Ke3 c3 36.Rb1 Ka3 37.Ra1+ Kb2 38.Rb1+ Ka2 39.Rg1 c2 40.Kd2 Rd8+ 41.Kc1 Rc8 0-1